How to call inherited method of superclass from the overridden subclass method?

Question

I have a class shape that has a toString() method. I have another class circle that extends shape. This circle class overrides the inherited toString() method. What I want to do is call the superclass - shape's toString() method from inside the circle's toString() method. The following is what I have done as of now. I thought calling toString() in the toString() of the circle might invoke the inherited toString() but that just goes into an infinite loop.

Shape class:

class shape{
String color;
boolean filled;
shape()
{
    color = "green";
    filled = true;
}
shape(String color, boolean fill)
{
    this.color = color;
    this.filled = fill;
}
public String toString()
{
    String str = "A Shape with color = " + color + " and filled = " + filled + " .";
    return str;
}
}

Circle class:

class circle extends shape
{
double radius;
circle()
{
    this.radius = 1.0;
}
public String toString()
{
    String str = "A circle with radius " + radius + " and which is a subclass of " + toString();
    return str;
}

Please Help!

try `String str = "A circle with radius " + radius + " and which is a subclass of " + super.toString();` — Bohemian, Aug 12 '18 at 13:49
Your code examples don't compile. When asking for help, it's best to present something clear, concise, and (where code is involved) syntactically-correct. — T.J. Crowder, Aug 12 '18 at 13:50

score 0 · Accepted Answer · answered Aug 12 '18 at 13:49

0

You'd use super.:

// In Circle
public String toString() {
    String shapeString = super.toString();
    // ...
    return /*...*/;
}

answered Aug 12 '18 at 13:49

T.J. Crowder

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score 0 · Answer 2 · answered Aug 12 '18 at 13:50

0

You must call super.toString() inside the overriding method.

answered Aug 12 '18 at 13:50

Ghayth

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Thank you for your help! – Kiera.K Aug 12 '18 at 14:03

How to call inherited method of superclass from the overridden subclass method?

2 Answers2